def contains_digit(str):
    for c in str:
        if c.is_digit():
            return True

    return False


def print_clients():
    for n in get_clients():
        print(n)


def registration():
    ime = ""
    prz = ""
    user = ""
    passw = ""
    tip = ""
    dict = {}
    exit = 0
    korisnici = get_clients()
    while(exit == 0):
        print("Unesite ime: ")
        input(ime)
        print("Unesite prezime: ")
        input(prz)
        print("Unesite user: ")
        input(user)
        print("Unesite pass: ")
        input(passw)
        print("Unesite tip: ")
        input(tip)

        for n in korisnici:
            if(user == n['user']):
                print("Korisnik vec postoji")
                exit = 1
        if(len(passw) < 6 and contains_digit(passw)):
            print("Potrebna je duza pass")
            exit = 1
            break
        dict = {
            'user': user,
            'pass': passw,
            'ime': ime,
            'prz': prz,
            'type': tip
        }
        korisnici.append(dict)

        break

def get_clients():
    f = open("kupci.txt", "r")
    arr = []
    i = 0
    dict = {}
    for line in f:
        s = line.split("|")
        dict = {
            'user': s[0],
            'pass': s[1],
            'ime': s[2],
            'prz': s[3],
            'type': s[4]
        }
        arr.append(dict)
        i = i + 1
    return arr